I think I'm in the same boat as you Wotan. I'm trying to fit this to a Saiga 12 IZ 109. I've filed off a LOT of material in position A after checking fit about 50 times. The magazine catch still looks a mile away from snapping home in the B position.
I'm starting to panic a little and wondering if I'm really screwing up here. The video and instructions were super nice and very easy to understand. This just isn't working out for me for whatever reason. I've filed hundreds of AK mags to perfection, but this is a totally different animal.
The tower lays perfectly flat against th